万能的php分页类

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            本文实例为大家分享了php分页类的具体代码，供大家参考，具体内容如下
allUrl());
class Page{
//   每页显示的个数
  protected $number;
//   一共有多少数据
  protected $totalCount;
//   当前页
  protected $page;
//   url
  protected $url;
  
  public function __construct($number,$totalCount){
    $this->number= $number;
    $this->totalCount = $totalCount;
    //得到总页数
    $this->totalPage = $this->getTotalPage();
    //得到当前页数
    $this->page = $this->getPage();
    //得到URL
    $this->url = $this->getUrl();
    echo $this->url;
  }
  /*得到总页数并向上取整*/
  protected function getTotalPage(){
    return   ceil($this->totalCount/$this->number);
  }
  /**/
  protected function getPage(){
    if (empty($_GET['page'])){
      $page=1;
    }elseif ($_GET['page'] > $this->totalPage){
      $page = $this->totalPage;
    }elseif ($_GET["page"]url, '?')){
      $url = $this->url.'&'.$str;
    }else{
      $url = $this->url.'?'.$str;
    }
    return $url;
  }
  /*所有的url*/
  public function allUrl(){
    return [
      'first' => $this->first(),
      'next' => $this->next(),
      'prev'=> $this->prev(),
      'end'=> $this->end(),
    ];
  }
  /*首页*/
  public function first(){
    return $this->setUrl('page=1');
  }
  /*下一页*/
  public function next(){
    //根据当前page得带下一页的页码
    if ($this->page+1 > $this->totalPage) {
      $page = $this->totalPage;
    }else{
      $page = $this->page+1;
    }
    return $this->setUrl('page='.$page);
  }
  /*上一页*/
  public function prev(){
    //根据当前page得带下一页的页码
    if ($this->page - 1 page-1;
    }
    return $this->setUrl('page='.$page);
  }
  /*尾页*/
  public function end(){
    return $this->setUrl('page='.$this->totalPage);
  }
  /*limit 0,5*/
  public function limit(){
    $offset = ($this->page-1)*$this->number;
    return $offset.','.$this->number;
  }
  
}